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Combined analysis of four mitochondrial regions allowed the detection of several matrilineal lineages of the lessepsian fish Fistularia commersonii in the Mediterranean Sea

Published online by Cambridge University Press:  27 September 2010

Daria Sanna
Affiliation:
Dipartimento di Zoologia e Genetica Evoluzionistica, Università di Sassari, Via F. Muroni 25, 07100 Sassari, Italy
Paolo Merella
Affiliation:
Sezione di Parassitologia e Malattie Parassitarie, Dipartimento di Biologia Animale, Università di Sassari, Via Vienna 2, 07100 Sassari, Italy
Tiziana Lai
Affiliation:
Dipartimento di Zoologia e Genetica Evoluzionistica, Università di Sassari, Via F. Muroni 25, 07100 Sassari, Italy
Sarra Farjallah
Affiliation:
Unité de Recherche: Génétique, Biodiversité et Valorisation des Bioressources UR/09-30, Institut Supérieur de Biotechnologie de Monastir, Monastir 5000, Tunisia
Paolo Francalacci
Affiliation:
Dipartimento di Zoologia e Genetica Evoluzionistica, Università di Sassari, Via F. Muroni 25, 07100 Sassari, Italy
Marco Curini-Galletti
Affiliation:
Dipartimento di Zoologia e Genetica Evoluzionistica, Università di Sassari, Via F. Muroni 25, 07100 Sassari, Italy
Antonio Pais
Affiliation:
Sezione di Acquacoltura e Gestione delle Risorse Acquatiche, Dipartimento di Scienze Zootecniche, Università di Sassari, Via E. De Nicola 9, 07100 Sassari, Italy
Marco Casu*
Affiliation:
Dipartimento di Zoologia e Genetica Evoluzionistica, Università di Sassari, Via F. Muroni 25, 07100 Sassari, Italy
*
Correspondence should be addressed to: M. Casu, Dipartimento di Zoologia e Genetica Evoluzionistica, Università di Sassari, Via F. Muroni 25, 07100 Sassari (Italy) email: marcasu@uniss.it

Abstract

The bluespotted cornetfish (Fistularia commersonii) is an Indo-Pacific species that in the last ten years colonized a large part of the Mediterranean basin. The aim of this study was to sequence some portions of the mitochondrial DNA (D-loop II, 16S, 12S and Cyt b) of this fish from different localities of the Mediterranean Sea, in order to evaluate the level of its genetic variability in this area. The genetic analysis performed on specimens from seven localities of Sardinia, Tunisia and Libya revealed the presence of at least five mitochondrial lineages. The results obtained, compared with previous studies, indicate that the use of a sufficient number of mitochondrial regions may allow a more accurate estimate of genetic variability in lessepsian invasions.

Information

Type
Research Article
Copyright
Copyright © Marine Biological Association of the United Kingdom 2010

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